When NASA's New Horizons spacecraft flew past Pluto, its next destination was something even more surprising—Arrokoth, a mysterious object in the Kuiper Belt. This video explores what makes ...

Prior research has suggested that Arrokoth was formed by the collision of two smaller objects. Additional data from New Horizons showed its surface is covered in frozen methanol.

The large mound structures that dominate one of the lobes of the Kuiper belt object Arrokoth are similar enough to suggest a common origin, according to a new study led by Southwest Research ...